Category : OS/2 Files
Archive   : EMXTST8F.ZIP
Filename : HW_IO.C

 
Output of file : HW_IO.C contained in archive : EMXTST8F.ZIP
/* hw_io.c (emx+gcc) */

#include
#include
#include
#include


static void usage (void)
{
fputs ("Usage: hw_io [-s] [-p ] [-a ]\n", stderr);
exit (1);
}


int main (int argc, char *argv[])
{
int opt_s, i, lo, hi, port, def_range;
unsigned char buf[256];
char *q;

opt_s = 0; port = 0x40; def_range = 1;
i = 1;
while (i < argc)
{
if (strcmp (argv[i], "-s") == 0)
{
opt_s = 1; ++i;
}
else if (strcmp (argv[i], "-p") == 0 && argc - i >= 2)
{
errno = 0;
port = strtol (argv[i+1], &q, 0);
if (errno != 0 || *q != 0 || port < 0 || port > 255)
usage ();
i += 2;
}
else if (strcmp (argv[i], "-a") == 0 && argc - i >= 3)
{
errno = 0;
lo = strtol (argv[i+1], &q, 0);
if (errno != 0 || *q != 0)
usage ();
hi = strtol (argv[i+2], &q, 0);
if (errno != 0 || *q != 0)
usage ();
def_range = 0;
i += 3;
}
else
usage ();
}
if (def_range)
{
lo = port; hi = port;
}
if (_portaccess (lo, hi) != 0)
{
perror ("_portaccess");
return (1);
}
if (opt_s)
for (;;)
{
_inps8 (port, buf, sizeof (buf));
for (i = 0; i < sizeof (buf); ++i)
printf (" %.2x", buf[i]);
}
else
for (;;)
printf (" %.2x", _inp8 (port));
return (0);
}


  3 Responses to “Category : OS/2 Files
Archive   : EMXTST8F.ZIP
Filename : HW_IO.C
”

  1. Daniel says:
    January 27, 2013 at 3:59 pm

    Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. Joshie says:
    March 18, 2014 at 4:57 pm

    This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.

  3. DiskingRound says:
    January 14, 2015 at 10:57 pm

    But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: http://www.os2museum.com/wp/mtswslnk/